'Transformers: The Last Knight' breakout Isabela Moner and Iliza Shlesinger have also joined the Paramount project.

Paramount has rounded out the cast of the comedy Instant Family.

Oscar nominee Octavia Spencer will join Mark Wahlberg and Rose Byrne in the feature, along with Transformers: The Last Knight breakout Isabela Moner. The newly announced cast also includes a trio of stand-up comedians: Tig Notaro, Iliza Shlesinger and Tom Segura.

Instant Family centers on a couple (Wahlberg and Byrne) who decide to start a family and adopt through the foster-care system, only to find themselves raising three wild kids who have no interest in being parented. Moner will play one of the foster kids, along with newcomers Gustavo Quiroz and Julianna Gamiz.

Director Sean Anders (Daddy's Home) will helm from a script he wrote with John Morris. Anders, Wahlberg and Steve Levinson will produce the feature, which is set to begin shooting next month.

Paramount is set to release Instant Family on Feb. 15, 2019.

Spencer is currently in theaters with Oscar contender Shape of Water, and will next be seen in the drama A Kid Like Jake. She currently is filming the Blumhouse thriller Ma from director Tate Taylor (The Help). Spencer is repped by WME and Jackoway Tyerman.

Moner, who is repped by CAA and Peikoff Mahan, will next appear in the anticipated sequel to the crime thriller Sicario.

Notaro, who will next be seen in the Ken Marino feature Dog Days, is repped by ICM, Integral and Ziffren Brittenham.Shlesinger, repped by WME and Avalon, recently published Girl Logic, her first book, and is currently filming her fourth Netflix special. Segura, who just released his third Netflix special, Disgraceful, is repped by ICM and 3 Arts.

Gamiz is repped by IKIGAI Management and Paloma Model and Talent. Quiroz is repped by Ideal Talent and Jackson Entertainment.